Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
d and f BLOCK ELEMENTS
Question #39767
Back to Home
View All d and f BLOCK ELEMENTS Questions
11 Views
Question
What is the ground state electronic configuration of Erbium (Er, Z=68)?
A. [Xe] 4f¹¹ 6s²
B. [Xe] 4f¹² 6s²
C. [Xe] 4f¹³ 6s²
D. [Xe] 4f¹² 5d¹ 6s¹
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Why is the +3 oxidation state the most common for lanthanoids?
13
Which of the following is a correct statement regarding the use of potassium dichromate as an oxidiz...
6
What is the predicted density of Eka-silicon according to Mendeleev?
11
Hockey India has announced increased financial grants for hosting national championships. How much w...
(Current Affairs)
17
What was the volume growth rate in rural India during the June quarter compared to urban areas, acco...
(Current Affairs)
25